Block021 is the leading Flutter app development consultancy working with global brands to design, build, and scale successful apps.

We do more with the resources available, reach any screen from a single codebase, and implement best practices for long-term growth.

Ready. Set. Flutter.
Whether just getting started or scaling a full team, b021 has you covered.

START
Our industry-leading Flutter architecture expertise and Block021 foundation gives our clients an unparalleled head start.

ACCELERATE
Our expert engineers integrate closely with client development teams to build Flutter apps (and teams) faster and more effectively.

SCALE
Our leaders help our clients confidently scale their teams when it’s time to expand Flutter to the entire enterprise.